4021444204404 has 24 divisors (see below), whose sum is σ = 10236403429728. Its totient is φ = 1218619455840.

The previous prime is 4021444204381. The next prime is 4021444204433. The reversal of 4021444204404 is 4044024441204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15232743067 + ... + 15232743330.

It is an arithmetic number, because the mean of its divisors is an integer number (426516809572).

Almost surely, 2^{4021444204404} is an apocalyptic number.

4021444204404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4021444204404 is an abundant number, since it is smaller than the sum of its proper divisors (6214959225324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021444204404 is a wasteful number, since it uses less digits than its factorization.

4021444204404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30465486415 (or 30465486413 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 4021444204404 its reverse (4044024441204), we get a palindrome (8065468645608).

The spelling of 4021444204404 in words is "four trillion, twenty-one billion, four hundred forty-four million, two hundred four thousand, four hundred four".